support/testing/tests/core/test_rootfs_overlay.py

   1 import os
   2 import subprocess
   3
   4 import infra.basetest
   5
   6 def compare_file(file1, file2):
   7     return subprocess.call(["cmp", file1, file2])
   8
   9 class TestRootfsOverlay(infra.basetest.BRTest):
  10
  11     rootfs_overlay_path = infra.filepath("tests/core/rootfs-overlay")
  12
  13     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
  14         infra.basetest.MINIMAL_CONFIG + \
  15         """
  16         BR2_ROOTFS_OVERLAY="{0}1 {0}2"
  17         """.format(rootfs_overlay_path)
  18
  19     def test_run(self):
  20         target_file = os.path.join(self.builddir, "target", "test-file1")
  21         overlay_file = "{}1/test-file1".format(self.rootfs_overlay_path)
  22         ret = compare_file(overlay_file, target_file)
  23         self.assertEqual(ret, 0)
  24
  25         target_file = os.path.join(self.builddir, "target", "etc", "test-file2")
  26         overlay_file = "{}2/etc/test-file2".format(self.rootfs_overlay_path)
  27         ret = compare_file(overlay_file, target_file)
  28         self.assertEqual(ret, 0)